CarbonCave: ORC Rating

GPH

542.5

OSN

530.4

LOA

12.5 m

Displacement

6022 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8584

Medium

1.1283

High

1.2902

Triple Offshore

Low

1.1116

Medium

1.3897

High

1.5568

Boat Specifications

Dimensions

Length overall: 12.5 m
Beam: 3.93 m
Draft: 2.6 m
Displacement: 6022 kg
Crew weight: 787 kg
Wetted surface: 31.51 m²

Sails

Mainsail: 67.38 m²
Genoa: 56.52 m²
Spinnaker: 110.64 m²
Asymmetric spinnaker: 0 m²

Design

Type: ILC 40
Builder: Edin. Roger
Designer: Ängermark
Year built: 1997

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42.4,5.809424,52,6.52,60,6.9,75,7.19,90,7.14,110,6.47,120,6.24,135,5.56,141.7,5.147963,150,4.66
8,40.7,6.766611,52,7.53,60,7.75,75,7.92,90,7.89,110,7.68,120,7.53,135,6.9,145.5,6.127702,150,5.83
10,38.3,7.046593,52,7.84,60,8.06,75,8.32,90,8.35,110,8.29,120,8.18,135,7.79,148.9,6.995481,150,6.92
12,37.7,7.241948,52,7.99,60,8.22,75,8.6,90,8.79,110,8.86,120,8.78,135,8.32,150,7.74,156,7.421634
14,36.9,7.302879,52,8.08,60,8.33,75,8.78,90,9.16,110,9.27,120,9.43,135,8.91,150,8.25,170.9,7.524707
16,36.4,7.355008,52,8.12,60,8.41,75,8.91,90,9.4,110,9.63,120,10.04,135,9.58,150,8.79,180,8
20,36.5,7.476455,52,8.29,60,8.62,75,9.07,90,9.68,110,10.4,120,10.86,135,11.27,150,10.08,180,9.02

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.52	6.9	7.19	7.14	6.47	6.24	5.56	4.66
8	7.53	7.75	7.92	7.89	7.68	7.53	6.9	5.83
10	7.84	8.06	8.32	8.35	8.29	8.18	7.79	6.92
12	7.99	8.22	8.6	8.79	8.86	8.78	8.32	7.74
14	8.08	8.33	8.78	9.16	9.27	9.43	8.91	8.25
16	8.12	8.41	8.91	9.4	9.63	10.04	9.58	8.79
20	8.29	8.62	9.07	9.68	10.4	10.86	11.27	10.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.29	141.7°	4.04
8	40.7°	5.13	145.5°	5.05
10	38.3°	5.53	148.9°	5.99
12	37.7°	5.73	156°	6.78
14	36.9°	5.84	170.9°	7.43
16	36.4°	5.92	180°	8
20	36.5°	6.01	180°	9.02

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	6.52	7.53	7.84	7.99	8.08	8.12	8.29
60°	6.90	7.75	8.06	8.22	8.33	8.41	8.62
75°	7.19	7.92	8.32	8.60	8.78	8.91	9.07
90°	7.14	7.89	8.35	8.79	9.16	9.40	9.68
110°	6.47	7.68	8.29	8.86	9.27	9.63	10.40
120°	6.24	7.53	8.18	8.78	9.43	10.04	10.86
135°	5.56	6.90	7.79	8.32	8.91	9.58	11.27
150°	4.66	5.83	6.92	7.74	8.25	8.79	10.08